add TODO

Author: geohot

messaging/__init__.py

@@ -117,6 +117,7 @@ def recv_one_retry(sock):
     if dat is not None:
       return log.Event.from_bytes(dat)
 
+# TODO: This does not belong in messaging
 def get_one_can(logcan):
   while True:
     can = recv_one_retry(logcan)